$145 Cheap Flights from Kos (KGS) to Brussels (BRU)

View $145 flight on Tue, Apr 28, 2026Opens in a new window

Popular airlines from Kos (KGS-Kos Island Intl.) to Brussels Airport (BRU)

Cheap Flights from Kos to Brussels (KGS-BRU)

Prices were available within the past 7 days and start at $145 for one-way flights and $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$307 Roundtrip, found 2 days ago
$307
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $307 found 2 days ago
Austrian Airlines
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $310 found 2 days ago
Lufthansa
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $316 found 2 days ago
TuiFly Belgium
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$339 Roundtrip, found 2 days ago
$339
Roundtrip
found 2 days ago
Select TuiFly Belgium flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $339 found 2 days ago
Aegean
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$360 Roundtrip, found 2 days ago
$360
Roundtrip
found 2 days ago
Select Aegean flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $360 found 2 days ago
Brussels Airlines
Sat, May 16 - Sat, May 23
KGS
Kos
BRU
Brussels
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Sat, May 16 from Kos to Brussels, returning Sat, May 23, priced at $365 found 2 days ago
Aegean
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select Aegean flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $366 found 2 days ago
Brussels Airlines
Sat, May 16 - Sat, May 23
KGS
Kos
BRU
Brussels
$375 Roundtrip, found 2 days ago
$375
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Sat, May 16 from Kos to Brussels, returning Sat, May 23, priced at $375 found 2 days ago
TuiFly Belgium
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$386 Roundtrip, found 2 days ago
$386
Roundtrip
found 2 days ago
Select TuiFly Belgium flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $386 found 2 days ago
Aegean
Mon, Jun 1 - Fri, Jun 5
KGS
Kos
BRU
Brussels
$386 Roundtrip, found 2 days ago
$386
Roundtrip
found 2 days ago
Select Aegean flight, departing Mon, Jun 1 from Kos to Brussels, returning Fri, Jun 5, priced at $386 found 2 days ago

Frequently asked questions

How much does a flight from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) cost?
You can find cheap one-way flights from $145 and cheap return flights from $307 Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) with Expedia. One-way flights typically cost between $200 and $1019. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
The cheapest month to fly from KGS to BRU is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
Choose from 2 airlines operating direct flights from KGS to BRU:

  • TuiFly Belgium operates around 7 direct flights from KGS to BRU every week
  • Brussels Airlines operates around 7 direct flights from KGS to BRU every week

What is the cheapest airline that flies from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
Aegean, Sky Express and Swiss International Air Lines are just some of the carriers that fly from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
To find a cheap flight from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
You can find approximately 1 nonstop flights per day from Kos Island Intl. (KGS) to Brussels - National (BRU). For more options, look at flights that include layovers.
What is the earliest flight from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
The earliest flight from Kos Island International Airport (KGS) to Brussels - National Airport (BRU) typically leaves at around 6:00 AM, operated by Olympic and Aegean Airlines. An early departure can help you make the most of your time in Brussels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
The most popular departure times for flights from Kos Island Intl. (KGS) to Brussels - National (BRU) are in the late evening, from 6pm to 9pm. About 34% of passengers prefer this time window. Many major carriers, including Aegean Airlines and Brussels Airlines, offer flights during this window. This timing is favored as it allows you to maximize your time on the beautiful island of Kos before heading to Brussels.
How long does it take to fly from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
Direct flights from KGS to BRU usually take about 4 hours, traveling roughly 1,478 miles. If you opt for a connecting flight, expect to add around 12 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
Business class is available on flights from KGS to BRU. Airlines that offer business class service on this route include:

  • Edelweiss Air
  • Brussels Airlines
  • Austrian Airlines
  • Aegean

How much is a business class flight from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
A non-stop, one-way business class flight from Kos (KGS) to Brussels (BRU) is usually around $451. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) flight with Expedia?
It's easy to earn miles on a Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Brussels from Kos Island Intl. (KGS)?
From Kos Island Intl. (KGS), you can fly into Brussels - National (BRU) to reach Brussels. Some flights may connect through major hubs like Eleftherios Venizelos (ATH), ZRH (ZRH), Vienna Intl. (VIE) before reaching Brussels. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) at the last minute?
Typically, booking a last minute flight from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) flight and hotel package?
Securing a Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) Brussels Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National)?
If you booked your Kos (KGS-Kos Island Intl.) to Brussels (BRU-Brussels - National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kos Island Intl.
Destination airport
Brussels - National
Roundtrip price
$306
Distance
1478 mi

Book with confidence

Kos to Brussels Flights

The cheapest times to fly from Kos to Brussels

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kos to Brussels are during the month of June. You can find some of the cheapest flights from Kos to Brussels with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kos to Brussels

Sunday is one of the best days to book for cheap flights from Kos to Brussels: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kos to Brussels

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kos to Brussels in 2026. You can also book with separate airlines for your outbound and return journeys, from $145 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kos to Brussels flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kos to Brussels airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kos to Brussels Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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